Asquare with sides of 3 square roots of 2 is inscribed in a circle. what is the area of one of the sectors formed by the radii to the vertices of the square

Ineed to know the answer to this algebra question.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.